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Non-prestress foundation pit inner supporting system and construction method

A supporting system without prestressing technology, applied in infrastructure engineering, excavation, construction, etc., can solve problems affecting construction progress, complexity, prestress loss, etc., and achieve the effect of improving construction efficiency and ensuring support strength

Active Publication Date: 2021-11-26
通号建设集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the existing foundation pit construction, the operation of applying prestress to the support system of the foundation pit is complicated, which affects the construction progress. At the same time, as time goes by, the prestress will also be lost, which will affect the safety of the foundation pit

Method used

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  • Non-prestress foundation pit inner supporting system and construction method
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  • Non-prestress foundation pit inner supporting system and construction method

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Embodiment Construction

[0054] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0055] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descriptio...

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Abstract

The invention discloses a non-prestress foundation pit inner supporting system and a construction method. The supporting system is provided with a plurality of supporting units in the length direction of a foundation pit, and the supporting units which are modularly designed are convenient to mount and dismount. Each supporting unit is provided with two first cross beams, the close ends of the two first cross beams are hinged together, the far ends of the two first cross beams abut against surrounding purlins on the upper portions of the two sides of the foundation pit through ends, the two first cross beams can decompose the gravity of the two first cross beams towards the upper surrounding purlins on the two sides of the foundation pit in the length direction of the two first cross beams, and thrust is applied to the upper surrounding purlins on the two sides of the foundation pit. Automatic back shore is formed. Compared with a traditional prestress supporting system, using is more reliable and convenient. The construction method is used for constructing the foundation pit by using a prestressed foundation pit inner support system in the first aspect, so that the construction progress is greatly accelerated, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a support system and a construction method in a non-prestressed foundation pit. Background technique [0002] During building construction or municipal engineering construction, foundation pits usually need to be excavated. The foundation pit is a temporary sub-project, and its function is to excavate the bottom space, so that the masonry work of the building foundation can be carried out according to the position specified by the design drawings. Generally speaking, foundation pits whose excavation depth exceeds 5 meters are deep foundation pits. The excavation of deep foundation pits is a dangerous and extremely difficult sub-project. When excavating deep foundation pits, construction personnel usually use mixed Soil support, steel structure support or a combination of the two supports are used to ensure the protection and safety of the foundation pit. [0003] The existi...

Claims

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Application Information

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IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 刘迎军温东洋朱智俊段剑贺建军李丽刘正伟王海洋曾契汤翔张海斌龚森
Owner 通号建设集团有限公司
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